Resource Type

Automatic Railway-Gate. (open access)

Automatic Railway-Gate.

Patent for a "strong, durable, efficient, easy of operation, and simple and comparatively inexpensive to construct" (lines 20-23) automatic railway gate. It "is to provide a swinging gate and automatic means of particular construction for operating the gate" (lines 11-14), including illustrations.
Date: May 9, 1916
Creator: Turvan, Jim O.
System: The Portal to Texas History
Churn-Operating Device. (open access)

Churn-Operating Device.

Patent for a churn operating device to make the process more simple and efficient for the use of producing butter in the shortest possible time.
Date: March 23, 1915
Creator: Palm, Oliver
System: The Portal to Texas History